TWINCO MFG. CO. INC

Prefabricated Metal Building and Component Manufacturing

This includes establishments primarily engaged in manufacturing prefabricated metal buildings, panels, and sections.

Fabricated Structural Metal Manufacturing

This includes establishments primarily engaged in fabricating structural metal products, such as assemblies of concrete reinforcing bars and fabricated bar joists.

Plate Work Manufacturing

This includes establishments primarily engaged in manufacturing fabricated metal plate work by cutting, punching, bending, shaping, and welding purchased metal plate.

Sheet Metal Work Manufacturing

This includes establishments primarily engaged in manufacturing sheet metal work (except stampings).

Machine Shops

This category includes establishments known as machine shops primarily engaged in machining metal and plastic parts and parts of other composite materials on a job or order basis. Generally machine shop jobs are low volume using machine tools, such as lathes (including computer numerically controlled); automatic screw machines; and machines for boring, grinding, milling, and additive manufacturing.

Precision Turned Product Manufacturing

This includes establishments known as precision turned manufacturers primarily engaged in machining precision products of all materials on a job or order basis. Generally precision turned product jobs are large volume using machines, such as automatic screw machines, rotary transfer machines, computer numerically controlled (CNC) lathes, or turning centers.

All Other Miscellaneous Fabricated Metal Product Manufacturing

This includes establishments primarily engaged in manufacturing fabricated metal products (except forgings and stampings, cutlery and handtools, architectural and structural metals, boilers, tanks, shipping containers, hardware, spring and wire products, machine shop products, turned products, screws, nuts and bolts, metal valves, ball and roller bearings, ammunition, small arms and other ordnances and accessories, and fabricated pipes and pipe fittings).

Illustrative Examples:

Foil containers (except bags) manufacturing
Industrial pattern manufacturing
Metal hair curlers manufacturing
Metal ironing boards manufacturing
Metal pallets manufacturing
Metal pipe hangers and supports manufacturing
Metal safes manufacturing
Metal vaults (except burial) manufacturing
Permanent metallic magnets manufacturing
Portable metal ladders manufacturing
Sanitary ware (e.g., bathtubs, lavatories, sinks), metal and enameled metal, manufacturing
Steel wool manufacturing

Rolling Mill and Other Metalworking Machinery Manufacturing

This includes establishments primarily engaged in manufacturing rolling mill machinery and equipment and/or other metalworking machinery (except industrial molds; special dies and tools, die sets, jigs, and fixtures; cutting tools and machine tool accessories; and machine tools).

Illustrative Examples:

Assembly machines (i.e., wire making equipment) manufacturing
Cradle assembly machinery (i.e., wire making equipment) manufacturing
Metalworking coil winding and cutting machinery manufacturing
Rolling mill roll machines, metalworking, manufacturing
Wire drawing and fabricating machinery and equipment (except dies) manufacturing

Power, Distribution, and Specialty Transformer Manufacturing

This includes establishments primarily engaged in manufacturing power, distribution, and specialty transformers (except electronic components). Industrial-type and consumer-type transformers in this industry vary (e.g., step up or step down) voltage but do not convert alternating to direct or direct to alternating current.

Illustrative Examples:

Fluorescent ballasts (i.e., transformers) manufacturing
Substation transformers, electric power distribution, manufacturing
Distribution transformers, electric, manufacturing
Transmission and distribution voltage regulators manufacturing

All Other Miscellaneous Electrical Equipment and Component Manufacturing

This includes establishments primarily engaged in manufacturing industrial and commercial electric apparatus and other equipment (except lighting equipment, household appliances, transformers, motors, generators, switchgear, relays, industrial controls, batteries, communication and energy wire and cable, wiring devices, and carbon and graphite products). Examples of products made by these establishments are power converters (i.e., AC to DC and DC to AC), power supplies, surge suppressors, and similar equipment for industrial-type and consumer-type equipment.

Illustrative Examples:

Appliance cords made from purchased insulated wire
Battery chargers, solid-state, manufacturing
Door opening and closing devices, electrical, manufacturing
Electric bells manufacturing
Extension cords made from purchased insulated wire
Inverters manufacturing
Surge suppressers manufacturing
Uninterruptible power supplies (UPS) manufacturing

Aircraft Manufacturing

This includes establishments primarily engaged in one or more of the following: (1) manufacturing or assembling complete aircraft; (2) developing and making aircraft prototypes; (3) aircraft conversion (i.e., major modifications to systems); and (4) complete aircraft overhaul and rebuilding (i.e., periodic restoration of aircraft to original design specifications).

Railroad Rolling Stock Manufacturing

Establishments in this category are primarly engaged in one or more of the following: (1) manufacturing and/or rebuilding locomotives, locomotive frames, and parts; (2) manufacturing railroad, street, and rapid transit cars and car equipment for operation on rails for freight and passenger service; and (3) manufacturing rail layers, ballast distributors, rail tamping equipment, and other railway track maintenance equipment.